[ale] raid suggestions

[Ed Cashin]

Garzik mentions that external RAID in a SAN is outside the scope of
that discussion, so it sounds like y'all are in agreement.

On Thu, Feb 9, 2012 at 4:00 PM, Lightner, Jeff <JLightner at water.com> wrote:
> Yeah but he's probably an emacs user so his opinion doesn't count.  :-)
>
> Actually he says neither solution is "always" better and that is true enough.   When possible I prefer hardware RAID but then again much of what I use in that regard is on external disk arrays via SAN so the controller argument he lists isn't really valid because one can use different controller cards.   For internal disks controller cards like Dell PERC (OEM of LSI) have worked great for me for years but he does have a point that if I wanted to use another vendor's controller for the same disk I'd have to create a brand new RAID set and restore from my most recent backup.   However, one can go from older versions of PERC (LSI) to newer ones without an issue.
>
> -----Original Message-----
> From: ale-bounces at ale.org [mailto:ale-bounces at ale.org] On Behalf Of Ed Cashin
> Sent: Thursday, February 09, 2012 3:44 PM
> To: Atlanta Linux Enthusiasts
> Subject: Re: [ale] raid suggestions
>
> There's a nice page about software versus hardware RAID by Jeff Garzik.
>
>  http://linux.yyz.us/why-software-raid.html
>
> On Thu, Feb 9, 2012 at 3:37 PM, Lightner, Jeff <JLightner at water.com> wrote:
>> Hardware based (for true RAID) because it doesn't require CPU cycles.
>>
>>
>>
>>
>>
>> -----Original Message-----
>> From: ale-bounces at ale.org [mailto:ale-bounces at ale.org] On Behalf Of Calvin Harrigan
>> Sent: Thursday, February 09, 2012 3:26 PM
>> To: Atlanta Linux Enthusiasts
>> Subject: Re: [ale] raid suggestions
>>
>> As per a discussion on the list a few months ago, software based raid 10.
>>
>> On 2/9/2012 2:54 PM, Geoffrey Myers wrote:
>>> I've not played with raid stuff of late.  What is the recommended
>>> configuration for a small business these days?  Definitely want data
>>> protection, but don't want to sacrifice a lot of speed for that purpose.
>>>
>>> Thoughts?
>>>
>>
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>
> --
>   Ed Cashin <ecashin at noserose.net>
>   http://noserose.net/e/
>   http://www.coraid.com/
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-- 
  Ed Cashin <ecashin at noserose.net>
  http://noserose.net/e/
  http://www.coraid.com/